<!DOCTYPE html>
<html>
	<head>
		<meta charset="UTF-8">
		<title>首页</title>
		<style type="text/css">
			.oneDiv {
				width: 800px;
				height: 400px;
				background: red;
			}
			
			h1 {
				font-size: 50px;
				color: blue;
			}
		</style>
	</head>
	<body>
		<div class="oneDiv">
			
		</div>
		<h1>你好啊,你好</h1>
		<h2>韩鸥</h2>
		<p>哈喽</p>
		<p>哈喽</p>
		<p>你好</p>
	</body>
</html>
